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authorBram Moolenaar <Bram@vim.org>2017-01-29 23:11:25 +0100
committerBram Moolenaar <Bram@vim.org>2017-01-29 23:11:25 +0100
commitc593fee0e5e850f7e75be41f5d1751f28892a27f (patch)
treea6e824414c142e87462da80b0945242fcbbc4ebd
parent85b5743d3e69f96882b6124d4b4ebf873ca24707 (diff)
patch 8.0.0270: may get ml_get error when :rubydo deletes linesv8.0.0270
Problem: May get ml_get error when :rubydo deletes lines or switches to another buffer. (Nikolai Pavlov, issue #1421) Solution: Check the buffer and line every time.
-rw-r--r--src/if_ruby.c5
-rw-r--r--src/testdir/test_ruby.vim17
-rw-r--r--src/version.c2
3 files changed, 24 insertions, 0 deletions
diff --git a/src/if_ruby.c b/src/if_ruby.c
index afa27abe2c..02b59dd14a 100644
--- a/src/if_ruby.c
+++ b/src/if_ruby.c
@@ -783,6 +783,7 @@ void ex_rubydo(exarg_T *eap)
{
int state;
linenr_T i;
+ buf_T *was_curbuf = curbuf;
if (ensure_ruby_initialized())
{
@@ -792,6 +793,8 @@ void ex_rubydo(exarg_T *eap)
{
VALUE line;
+ if (i > curbuf->b_ml.ml_line_count)
+ break;
line = vim_str2rb_enc_str((char *)ml_get(i));
rb_lastline_set(line);
eval_enc_string_protect((char *) eap->arg, &state);
@@ -800,6 +803,8 @@ void ex_rubydo(exarg_T *eap)
error_print(state);
break;
}
+ if (was_curbuf != curbuf)
+ break;
line = rb_lastline_get();
if (!NIL_P(line))
{
diff --git a/src/testdir/test_ruby.vim b/src/testdir/test_ruby.vim
index 106ccb48c3..174467f71f 100644
--- a/src/testdir/test_ruby.vim
+++ b/src/testdir/test_ruby.vim
@@ -32,3 +32,20 @@ func Test_ruby_evaluate_dict()
redir END
call assert_equal(['{"a"=>"foo", "b"=>123}'], split(l:out, "\n"))
endfunc
+
+func Test_rubydo()
+ " Check deleting lines does not trigger ml_get error.
+ new
+ call setline(1, ['one', 'two', 'three'])
+ rubydo Vim.command("%d_")
+ bwipe!
+
+ " Check switching to another buffer does not trigger ml_get error.
+ new
+ let wincount = winnr('$')
+ call setline(1, ['one', 'two', 'three'])
+ rubydo Vim.command("new")
+ call assert_equal(wincount + 1, winnr('$'))
+ bwipe!
+ bwipe!
+endfunc
diff --git a/src/version.c b/src/version.c
index 476074f6b2..44e5b6fb57 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 270,
+/**/
269,
/**/
268,